From 08ce33f8e95efa81b37ddc6b3350462c61bbfd51 Mon Sep 17 00:00:00 2001 From: MarcoFalke Date: Wed, 16 Aug 2017 18:17:34 +0200 Subject: [PATCH] qa: Move wait_until to util --- test/functional/bip65-cltv-p2p.py | 4 +- test/functional/bipdersig-p2p.py | 4 +- test/functional/disconnect_ban.py | 16 ++++---- test/functional/example_test.py | 4 +- test/functional/mempool_persist.py | 5 +-- test/functional/p2p-compactblocks.py | 47 ++++++++-------------- test/functional/p2p-leaktests.py | 14 +++---- test/functional/sendheaders.py | 6 +-- test/functional/test_framework/comptool.py | 12 +++--- test/functional/test_framework/mininode.py | 33 ++++----------- test/functional/test_framework/util.py | 22 ++++++++++ 11 files changed, 78 insertions(+), 89 deletions(-) diff --git a/test/functional/bip65-cltv-p2p.py b/test/functional/bip65-cltv-p2p.py index 7e5e4cf68..65ae8de55 100755 --- a/test/functional/bip65-cltv-p2p.py +++ b/test/functional/bip65-cltv-p2p.py @@ -109,7 +109,7 @@ class BIP65Test(BitcoinTestFramework): node0.send_and_ping(msg_block(block)) assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) - assert wait_until(lambda: "reject" in node0.last_message.keys()) + wait_until(lambda: "reject" in node0.last_message.keys(), lock=mininode_lock) with mininode_lock: assert_equal(node0.last_message["reject"].code, REJECT_OBSOLETE) assert_equal(node0.last_message["reject"].reason, b'bad-version(0x00000003)') @@ -138,7 +138,7 @@ class BIP65Test(BitcoinTestFramework): node0.send_and_ping(msg_block(block)) assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) - assert wait_until (lambda: "reject" in node0.last_message.keys()) + wait_until(lambda: "reject" in node0.last_message.keys(), lock=mininode_lock) with mininode_lock: assert node0.last_message["reject"].code in [REJECT_INVALID, REJECT_NONSTANDARD] assert_equal(node0.last_message["reject"].data, block.sha256) diff --git a/test/functional/bipdersig-p2p.py b/test/functional/bipdersig-p2p.py index 38a900954..977597089 100755 --- a/test/functional/bipdersig-p2p.py +++ b/test/functional/bipdersig-p2p.py @@ -98,7 +98,7 @@ class BIP66Test(BitcoinTestFramework): node0.send_and_ping(msg_block(block)) assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) - assert wait_until(lambda: "reject" in node0.last_message.keys()) + wait_until(lambda: "reject" in node0.last_message.keys(), lock=mininode_lock) with mininode_lock: assert_equal(node0.last_message["reject"].code, REJECT_OBSOLETE) assert_equal(node0.last_message["reject"].reason, b'bad-version(0x00000002)') @@ -128,7 +128,7 @@ class BIP66Test(BitcoinTestFramework): node0.send_and_ping(msg_block(block)) assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) - assert wait_until (lambda: "reject" in node0.last_message.keys()) + wait_until(lambda: "reject" in node0.last_message.keys(), lock=mininode_lock) with mininode_lock: # We can receive different reject messages depending on whether # bitcoind is running with multiple script check threads. If script diff --git a/test/functional/disconnect_ban.py b/test/functional/disconnect_ban.py index 89b68aeb2..19723226d 100755 --- a/test/functional/disconnect_ban.py +++ b/test/functional/disconnect_ban.py @@ -5,11 +5,13 @@ """Test node disconnect and ban behavior""" import time -from test_framework.mininode import wait_until from test_framework.test_framework import BitcoinTestFramework -from test_framework.util import (assert_equal, - assert_raises_jsonrpc, - connect_nodes_bi) +from test_framework.util import ( + assert_equal, + assert_raises_jsonrpc, + connect_nodes_bi, + wait_until, +) class DisconnectBanTest(BitcoinTestFramework): @@ -24,7 +26,7 @@ class DisconnectBanTest(BitcoinTestFramework): self.log.info("setban: successfully ban single IP address") assert_equal(len(self.nodes[1].getpeerinfo()), 2) # node1 should have 2 connections to node0 at this point self.nodes[1].setban("127.0.0.1", "add") - assert wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 0, timeout=10) + wait_until(lambda: len(self.nodes[1].getpeerinfo()) == 0, timeout=10) assert_equal(len(self.nodes[1].getpeerinfo()), 0) # all nodes must be disconnected at this point assert_equal(len(self.nodes[1].listbanned()), 1) @@ -90,7 +92,7 @@ class DisconnectBanTest(BitcoinTestFramework): self.log.info("disconnectnode: successfully disconnect node by address") address1 = self.nodes[0].getpeerinfo()[0]['addr'] self.nodes[0].disconnectnode(address=address1) - assert wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1, timeout=10) + wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1, timeout=10) assert not [node for node in self.nodes[0].getpeerinfo() if node['addr'] == address1] self.log.info("disconnectnode: successfully reconnect node") @@ -101,7 +103,7 @@ class DisconnectBanTest(BitcoinTestFramework): self.log.info("disconnectnode: successfully disconnect node by node id") id1 = self.nodes[0].getpeerinfo()[0]['id'] self.nodes[0].disconnectnode(nodeid=id1) - assert wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1, timeout=10) + wait_until(lambda: len(self.nodes[0].getpeerinfo()) == 1, timeout=10) assert not [node for node in self.nodes[0].getpeerinfo() if node['id'] == id1] if __name__ == '__main__': diff --git a/test/functional/example_test.py b/test/functional/example_test.py index 79940a426..4f9e0a7dd 100755 --- a/test/functional/example_test.py +++ b/test/functional/example_test.py @@ -23,13 +23,13 @@ from test_framework.mininode import ( mininode_lock, msg_block, msg_getdata, - wait_until, ) from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, connect_nodes, p2p_port, + wait_until, ) # NodeConnCB is a class containing callbacks to be executed when a P2P @@ -209,7 +209,7 @@ class ExampleTest(BitcoinTestFramework): # wait_until() will loop until a predicate condition is met. Use it to test properties of the # NodeConnCB objects. - assert wait_until(lambda: sorted(blocks) == sorted(list(node2.block_receive_map.keys())), timeout=5) + wait_until(lambda: sorted(blocks) == sorted(list(node2.block_receive_map.keys())), timeout=5, lock=mininode_lock) self.log.info("Check that each block was received only once") # The network thread uses a global lock on data access to the NodeConn objects when sending and receiving diff --git a/test/functional/mempool_persist.py b/test/functional/mempool_persist.py index e0889fd5e..807edeb7a 100755 --- a/test/functional/mempool_persist.py +++ b/test/functional/mempool_persist.py @@ -32,7 +32,6 @@ Test is as follows: """ import time -from test_framework.mininode import wait_until from test_framework.test_framework import BitcoinTestFramework from test_framework.util import * @@ -69,7 +68,7 @@ class MempoolPersistTest(BitcoinTestFramework): self.nodes.append(self.start_node(1, self.options.tmpdir)) # Give bitcoind a second to reload the mempool time.sleep(1) - assert wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5) + wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5) assert_equal(len(self.nodes[1].getrawmempool()), 0) self.log.debug("Stop-start node0 with -persistmempool=0. Verify that it doesn't load its mempool.dat file.") @@ -84,7 +83,7 @@ class MempoolPersistTest(BitcoinTestFramework): self.stop_nodes() self.nodes = [] self.nodes.append(self.start_node(0, self.options.tmpdir)) - assert wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5) + wait_until(lambda: len(self.nodes[0].getrawmempool()) == 5) if __name__ == '__main__': MempoolPersistTest().main() diff --git a/test/functional/p2p-compactblocks.py b/test/functional/p2p-compactblocks.py index ff76e49fb..c5c264765 100755 --- a/test/functional/p2p-compactblocks.py +++ b/test/functional/p2p-compactblocks.py @@ -70,7 +70,7 @@ class TestNode(NodeConnCB): def request_headers_and_sync(self, locator, hashstop=0): self.clear_block_announcement() self.get_headers(locator, hashstop) - assert wait_until(self.received_block_announcement, timeout=30) + wait_until(self.received_block_announcement, timeout=30, lock=mininode_lock) self.clear_block_announcement() # Block until a block announcement for a particular block hash is @@ -78,7 +78,7 @@ class TestNode(NodeConnCB): def wait_for_block_announcement(self, block_hash, timeout=30): def received_hash(): return (block_hash in self.announced_blockhashes) - return wait_until(received_hash, timeout=timeout) + wait_until(received_hash, timeout=timeout, lock=mininode_lock) def send_await_disconnect(self, message, timeout=30): """Sends a message to the node and wait for disconnect. @@ -86,11 +86,7 @@ class TestNode(NodeConnCB): This is used when we want to send a message into the node that we expect will get us disconnected, eg an invalid block.""" self.send_message(message) - success = wait_until(lambda: not self.connected, timeout=timeout) - if not success: - logger.error("send_await_disconnect failed!") - raise AssertionError("send_await_disconnect failed!") - return success + wait_until(lambda: not self.connected, timeout=timeout, lock=mininode_lock) class CompactBlocksTest(BitcoinTestFramework): def __init__(self): @@ -150,9 +146,7 @@ class CompactBlocksTest(BitcoinTestFramework): # Make sure we get a SENDCMPCT message from our peer def received_sendcmpct(): return (len(test_node.last_sendcmpct) > 0) - got_message = wait_until(received_sendcmpct, timeout=30) - assert(received_sendcmpct()) - assert(got_message) + wait_until(received_sendcmpct, timeout=30, lock=mininode_lock) with mininode_lock: # Check that the first version received is the preferred one assert_equal(test_node.last_sendcmpct[0].version, preferred_version) @@ -167,7 +161,6 @@ class CompactBlocksTest(BitcoinTestFramework): block_hash = int(node.generate(1)[0], 16) peer.wait_for_block_announcement(block_hash, timeout=30) assert(peer.block_announced) - assert(got_message) with mininode_lock: assert predicate(peer), ( @@ -282,7 +275,7 @@ class CompactBlocksTest(BitcoinTestFramework): # Wait until we've seen the block announcement for the resulting tip tip = int(node.getbestblockhash(), 16) - assert(test_node.wait_for_block_announcement(tip)) + test_node.wait_for_block_announcement(tip) # Make sure we will receive a fast-announce compact block self.request_cb_announcements(test_node, node, version) @@ -297,8 +290,7 @@ class CompactBlocksTest(BitcoinTestFramework): block.rehash() # Wait until the block was announced (via compact blocks) - wait_until(test_node.received_block_announcement, timeout=30) - assert(test_node.received_block_announcement()) + wait_until(test_node.received_block_announcement, timeout=30, lock=mininode_lock) # Now fetch and check the compact block header_and_shortids = None @@ -314,8 +306,7 @@ class CompactBlocksTest(BitcoinTestFramework): inv = CInv(4, block_hash) # 4 == "CompactBlock" test_node.send_message(msg_getdata([inv])) - wait_until(test_node.received_block_announcement, timeout=30) - assert(test_node.received_block_announcement()) + wait_until(test_node.received_block_announcement, timeout=30, lock=mininode_lock) # Now fetch and check the compact block header_and_shortids = None @@ -386,13 +377,11 @@ class CompactBlocksTest(BitcoinTestFramework): if announce == "inv": test_node.send_message(msg_inv([CInv(2, block.sha256)])) - success = wait_until(lambda: "getheaders" in test_node.last_message, timeout=30) - assert(success) + wait_until(lambda: "getheaders" in test_node.last_message, timeout=30, lock=mininode_lock) test_node.send_header_for_blocks([block]) else: test_node.send_header_for_blocks([block]) - success = wait_until(lambda: "getdata" in test_node.last_message, timeout=30) - assert(success) + wait_until(lambda: "getdata" in test_node.last_message, timeout=30, lock=mininode_lock) assert_equal(len(test_node.last_message["getdata"].inv), 1) assert_equal(test_node.last_message["getdata"].inv[0].type, 4) assert_equal(test_node.last_message["getdata"].inv[0].hash, block.sha256) @@ -571,8 +560,7 @@ class CompactBlocksTest(BitcoinTestFramework): assert_equal(int(node.getbestblockhash(), 16), block.hashPrevBlock) # We should receive a getdata request - success = wait_until(lambda: "getdata" in test_node.last_message, timeout=10) - assert(success) + wait_until(lambda: "getdata" in test_node.last_message, timeout=10, lock=mininode_lock) assert_equal(len(test_node.last_message["getdata"].inv), 1) assert(test_node.last_message["getdata"].inv[0].type == 2 or test_node.last_message["getdata"].inv[0].type == 2|MSG_WITNESS_FLAG) assert_equal(test_node.last_message["getdata"].inv[0].hash, block.sha256) @@ -599,8 +587,7 @@ class CompactBlocksTest(BitcoinTestFramework): num_to_request = random.randint(1, len(block.vtx)) msg.block_txn_request.from_absolute(sorted(random.sample(range(len(block.vtx)), num_to_request))) test_node.send_message(msg) - success = wait_until(lambda: "blocktxn" in test_node.last_message, timeout=10) - assert(success) + wait_until(lambda: "blocktxn" in test_node.last_message, timeout=10, lock=mininode_lock) [tx.calc_sha256() for tx in block.vtx] with mininode_lock: @@ -639,22 +626,20 @@ class CompactBlocksTest(BitcoinTestFramework): for i in range(MAX_CMPCTBLOCK_DEPTH + 1): test_node.clear_block_announcement() new_blocks.append(node.generate(1)[0]) - wait_until(test_node.received_block_announcement, timeout=30) + wait_until(test_node.received_block_announcement, timeout=30, lock=mininode_lock) test_node.clear_block_announcement() test_node.send_message(msg_getdata([CInv(4, int(new_blocks[0], 16))])) - success = wait_until(lambda: "cmpctblock" in test_node.last_message, timeout=30) - assert(success) + wait_until(lambda: "cmpctblock" in test_node.last_message, timeout=30, lock=mininode_lock) test_node.clear_block_announcement() node.generate(1) - wait_until(test_node.received_block_announcement, timeout=30) + wait_until(test_node.received_block_announcement, timeout=30, lock=mininode_lock) test_node.clear_block_announcement() with mininode_lock: test_node.last_message.pop("block", None) test_node.send_message(msg_getdata([CInv(4, int(new_blocks[0], 16))])) - success = wait_until(lambda: "block" in test_node.last_message, timeout=30) - assert(success) + wait_until(lambda: "block" in test_node.last_message, timeout=30, lock=mininode_lock) with mininode_lock: test_node.last_message["block"].block.calc_sha256() assert_equal(test_node.last_message["block"].block.sha256, int(new_blocks[0], 16)) @@ -705,7 +690,7 @@ class CompactBlocksTest(BitcoinTestFramework): node.submitblock(ToHex(block)) for l in listeners: - wait_until(lambda: l.received_block_announcement(), timeout=30) + wait_until(lambda: l.received_block_announcement(), timeout=30, lock=mininode_lock) with mininode_lock: for l in listeners: assert "cmpctblock" in l.last_message diff --git a/test/functional/p2p-leaktests.py b/test/functional/p2p-leaktests.py index 5611c876a..f0d4d9a8b 100755 --- a/test/functional/p2p-leaktests.py +++ b/test/functional/p2p-leaktests.py @@ -119,11 +119,11 @@ class P2PLeakTest(BitcoinTestFramework): NetworkThread().start() # Start up network handling in another thread - assert wait_until(lambda: no_version_bannode.ever_connected, timeout=10) - assert wait_until(lambda: no_version_idlenode.ever_connected, timeout=10) - assert wait_until(lambda: no_verack_idlenode.version_received, timeout=10) - assert wait_until(lambda: unsupported_service_bit5_node.ever_connected, timeout=10) - assert wait_until(lambda: unsupported_service_bit7_node.ever_connected, timeout=10) + wait_until(lambda: no_version_bannode.ever_connected, timeout=10, lock=mininode_lock) + wait_until(lambda: no_version_idlenode.ever_connected, timeout=10, lock=mininode_lock) + wait_until(lambda: no_verack_idlenode.version_received, timeout=10, lock=mininode_lock) + wait_until(lambda: unsupported_service_bit5_node.ever_connected, timeout=10, lock=mininode_lock) + wait_until(lambda: unsupported_service_bit7_node.ever_connected, timeout=10, lock=mininode_lock) # Mine a block and make sure that it's not sent to the connected nodes self.nodes[0].generate(1) @@ -158,8 +158,8 @@ class P2PLeakTest(BitcoinTestFramework): allowed_service_bit5_node.add_connection(connections[5]) allowed_service_bit7_node.add_connection(connections[6]) - assert wait_until(lambda: allowed_service_bit5_node.message_count["verack"], timeout=10) - assert wait_until(lambda: allowed_service_bit7_node.message_count["verack"], timeout=10) + wait_until(lambda: allowed_service_bit5_node.message_count["verack"], timeout=10, lock=mininode_lock) + wait_until(lambda: allowed_service_bit7_node.message_count["verack"], timeout=10, lock=mininode_lock) if __name__ == '__main__': P2PLeakTest().main() diff --git a/test/functional/sendheaders.py b/test/functional/sendheaders.py index e47e07fb8..6451b097c 100755 --- a/test/functional/sendheaders.py +++ b/test/functional/sendheaders.py @@ -128,7 +128,7 @@ class TestNode(NodeConnCB): expect_headers = headers if headers != None else [] expect_inv = inv if inv != None else [] test_function = lambda: self.block_announced - assert(wait_until(test_function, timeout=60)) + wait_until(test_function, timeout=60, lock=mininode_lock) with mininode_lock: self.block_announced = False @@ -155,12 +155,12 @@ class TestNode(NodeConnCB): return test_function = lambda: "getdata" in self.last_message and [x.hash for x in self.last_message["getdata"].inv] == hash_list - assert(wait_until(test_function, timeout=timeout)) + wait_until(test_function, timeout=timeout, lock=mininode_lock) return def wait_for_block_announcement(self, block_hash, timeout=60): test_function = lambda: self.last_blockhash_announced == block_hash - assert(wait_until(test_function, timeout=timeout)) + wait_until(test_function, timeout=timeout, lock=mininode_lock) return def send_header_for_blocks(self, new_blocks): diff --git a/test/functional/test_framework/comptool.py b/test/functional/test_framework/comptool.py index 9f062865a..bfbc0c3b0 100755 --- a/test/functional/test_framework/comptool.py +++ b/test/functional/test_framework/comptool.py @@ -19,7 +19,7 @@ TestNode behaves as follows: from .mininode import * from .blockstore import BlockStore, TxStore -from .util import p2p_port +from .util import p2p_port, wait_until import logging @@ -189,7 +189,7 @@ class TestManager(object): def wait_for_disconnections(self): def disconnected(): return all(node.closed for node in self.test_nodes) - return wait_until(disconnected, timeout=10) + wait_until(disconnected, timeout=10, lock=mininode_lock) def wait_for_verack(self): return all(node.wait_for_verack() for node in self.test_nodes) @@ -197,7 +197,7 @@ class TestManager(object): def wait_for_pings(self, counter): def received_pongs(): return all(node.received_ping_response(counter) for node in self.test_nodes) - return wait_until(received_pongs) + wait_until(received_pongs, lock=mininode_lock) # sync_blocks: Wait for all connections to request the blockhash given # then send get_headers to find out the tip of each node, and synchronize @@ -210,8 +210,7 @@ class TestManager(object): ) # --> error if not requested - if not wait_until(blocks_requested, attempts=20*num_blocks): - raise AssertionError("Not all nodes requested block") + wait_until(blocks_requested, attempts=20*num_blocks, lock=mininode_lock) # Send getheaders message [ c.cb.send_getheaders() for c in self.connections ] @@ -231,8 +230,7 @@ class TestManager(object): ) # --> error if not requested - if not wait_until(transaction_requested, attempts=20*num_events): - raise AssertionError("Not all nodes requested transaction") + wait_until(transaction_requested, attempts=20*num_events, lock=mininode_lock) # Get the mempool [ c.cb.send_mempool() for c in self.connections ] diff --git a/test/functional/test_framework/mininode.py b/test/functional/test_framework/mininode.py index a4d85501e..d0753276d 100755 --- a/test/functional/test_framework/mininode.py +++ b/test/functional/test_framework/mininode.py @@ -35,7 +35,7 @@ import time from threading import RLock, Thread from test_framework.siphash import siphash256 -from test_framework.util import hex_str_to_bytes, bytes_to_hex_str +from test_framework.util import hex_str_to_bytes, bytes_to_hex_str, wait_until BIP0031_VERSION = 60000 MY_VERSION = 70014 # past bip-31 for ping/pong @@ -1358,23 +1358,6 @@ class msg_reject(object): return "msg_reject: %s %d %s [%064x]" \ % (self.message, self.code, self.reason, self.data) -# Helper function -def wait_until(predicate, *, attempts=float('inf'), timeout=float('inf')): - if attempts == float('inf') and timeout == float('inf'): - timeout = 60 - attempt = 0 - elapsed = 0 - - while attempt < attempts and elapsed < timeout: - with mininode_lock: - if predicate(): - return True - attempt += 1 - elapsed += 0.05 - time.sleep(0.05) - - return False - class msg_feefilter(object): command = b"feefilter" @@ -1591,21 +1574,21 @@ class NodeConnCB(object): def wait_for_disconnect(self, timeout=60): test_function = lambda: not self.connected - assert wait_until(test_function, timeout=timeout) + wait_until(test_function, timeout=timeout, lock=mininode_lock) # Message receiving helper methods def wait_for_block(self, blockhash, timeout=60): test_function = lambda: self.last_message.get("block") and self.last_message["block"].block.rehash() == blockhash - assert wait_until(test_function, timeout=timeout) + wait_until(test_function, timeout=timeout, lock=mininode_lock) def wait_for_getdata(self, timeout=60): test_function = lambda: self.last_message.get("getdata") - assert wait_until(test_function, timeout=timeout) + wait_until(test_function, timeout=timeout, lock=mininode_lock) def wait_for_getheaders(self, timeout=60): test_function = lambda: self.last_message.get("getheaders") - assert wait_until(test_function, timeout=timeout) + wait_until(test_function, timeout=timeout, lock=mininode_lock) def wait_for_inv(self, expected_inv, timeout=60): """Waits for an INV message and checks that the first inv object in the message was as expected.""" @@ -1614,11 +1597,11 @@ class NodeConnCB(object): test_function = lambda: self.last_message.get("inv") and \ self.last_message["inv"].inv[0].type == expected_inv[0].type and \ self.last_message["inv"].inv[0].hash == expected_inv[0].hash - assert wait_until(test_function, timeout=timeout) + wait_until(test_function, timeout=timeout, lock=mininode_lock) def wait_for_verack(self, timeout=60): test_function = lambda: self.message_count["verack"] - assert wait_until(test_function, timeout=timeout) + wait_until(test_function, timeout=timeout, lock=mininode_lock) # Message sending helper functions @@ -1636,7 +1619,7 @@ class NodeConnCB(object): def sync_with_ping(self, timeout=60): self.send_message(msg_ping(nonce=self.ping_counter)) test_function = lambda: self.last_message.get("pong") and self.last_message["pong"].nonce == self.ping_counter - assert wait_until(test_function, timeout=timeout) + wait_until(test_function, timeout=timeout, lock=mininode_lock) self.ping_counter += 1 return True diff --git a/test/functional/test_framework/util.py b/test/functional/test_framework/util.py index 4098fd861..a14cda07d 100644 --- a/test/functional/test_framework/util.py +++ b/test/functional/test_framework/util.py @@ -157,6 +157,28 @@ def str_to_b64str(string): def satoshi_round(amount): return Decimal(amount).quantize(Decimal('0.00000001'), rounding=ROUND_DOWN) +def wait_until(predicate, *, attempts=float('inf'), timeout=float('inf'), lock=None): + if attempts == float('inf') and timeout == float('inf'): + timeout = 60 + attempt = 0 + timeout += time.time() + + while attempt < attempts and time.time() < timeout: + if lock: + with lock: + if predicate(): + return + else: + if predicate(): + return + attempt += 1 + time.sleep(0.05) + + # Print the cause of the timeout + assert_greater_than(attempts, attempt) + assert_greater_than(timeout, time.time()) + raise RuntimeError('Unreachable') + # RPC/P2P connection constants and functions ############################################